Orthogenetic
直向演化的（orthogenesis的变体）
🗣️ 情景例句
Amtrak is happy to announce our arrival in New York City.
我们很高兴报告诸位 Amtrak火车就要到达纽约了。
A sow, when washed; returns to the muck.
江山易改，本性难移。
Tickets, please! Tickets, please!
请出示车票！请出示车票！